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Zenith 13K2 Amplifier Manual       

3

 

 

 

7.4.5 Amplifier gain ................................................................................................................................ 18

 

7.4.5.1 Channel gain level (front panel pots) .................................................................................................... 18

 

7.4.5.2 Amplifier sensitivity ................................................................................................................................ 18

 

7.4.6 Output Voltage Peak Limiter (VPL) ............................................................................................... 18

 

7.4.7 Output Current Peak Limiter (CPL) .............................................................................................. 19

 

7.5 Protection, faults and warnings ..................................................................................................... 19

 

7.5.1 Introduction ................................................................................................................................... 19

 

7.5.2 Safe Operating Area Detector (SOAD) ......................................................................................... 20

 

7.5.3 Very High Frequency (VHF) protection ......................................................................................... 20

 

7.5.4 DC protection ................................................................................................................................ 20

 

7.5.5 High impedance warning (open load) .......................................................................................... 20

 

7.5.6 Low impedance protection warning ............................................................................................. 21

 

7.5.8 Power Average Limiter (PAL) ........................................................................................................ 21

 

7.5.9 Soft Start ....................................................................................................................................... 21

 

7.6 Front panel monitoring and adjustments ...................................................................................... 22

 

7.6.1 Level indicators ............................................................................................................................. 22

 

7.6.2 Level adjust ................................................................................................................................... 22

 

7.6.3 Mute indication ............................................................................................................................. 22

 

7.6.4 Performance, warning and fault indicators ................................................................................. 23

 

7.7 2

Ω

 load overheat protection ........................................................................................................... 23

 

8 APPENDIX ................................................................................................................................. 24

 

8.1 Maintenance .................................................................................................................................... 24

 

9 TECHNICAL SPECIFICATIONS ................................................................................................. 24

 

10 SAFETY ADVICE AND WARRANTY INFORMATION ............................................................... 25

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание AMP81

Страница 1: ...13K2 2 x 6 5kW Amplifier User Manual Order code AMP81...

Страница 2: ...ion 6 4 2 5 2 load overheat protection 7 5 INSTALLATION 7 5 1 Unpacking 7 5 2 Mounting 8 5 2 1 Rear support bracket 8 5 3 Cooling 8 5 3 1 Rack installation 9 5 3 2 Ventilation 9 5 4 Operating voltage...

Страница 3: ...0 7 5 3 Very High Frequency VHF protection 20 7 5 4 DC protection 20 7 5 5 High impedance warning open load 20 7 5 6 Low impedance protection warning 21 7 5 8 Power Average Limiter PAL 21 7 5 9 Soft S...

Страница 4: ...Zenith 13K2 Amplifier Manual 4 2 APPROVALS 3 WARNINGS 3 1 Explanation of graphical symbols 3 1 1 WARNING 3 1 2 CAUTION 3 2 Important safety instructions...

Страница 5: ...on and off the user is encouraged to try to correct the interference by one or more of the following measures Reorient the antenna Increase the separation between the equipment and receiver Connect th...

Страница 6: ...n for example an input signal is present and a malfunctioning cable or driver is short circuiting the output High impedance warning reports an alert when at the same time output signal is high and no...

Страница 7: ...npacking Carefully open the shipping carton and check for any noticeable damage The 13K2 power amplifier is tested and inspected before leaving the factory and should arrive in perfect condition If an...

Страница 8: ...se two screws and washer for fixed installation 5 3 Cooling The amplifier uses a forced air cooling system with airflow from front to rear maintaining a low operating temperature within defined limits...

Страница 9: ...s via the rear Care should be taken to install away from devices with the opposite airflow direction For installed rack systems or touring racks with enclosed rear panels additional forced exhaust ven...

Страница 10: ...amplifier then goes through a soft start The fans will blow at high speed before dropping to idle and the power LED will illuminate Inrush power is controlled and limited during soft start enabling mu...

Страница 11: ...is M3 The amplifier never should be operated without the dust filters in place 6 1 1 Front The front panel LED area includes the following indicators per channel VHF Very High Frequency protection act...

Страница 12: ...Zenith 13K2 Amplifier Manual 12 Rear view of two channel model fitted with SpeakON connectors 6 2 1 Configuration section The 13K2 amplifier has selectable VPL values...

Страница 13: ...mode to either Hard or Soft operation For channels driving sub woofers and low frequency drivers it is recommended to use the hard setting for optimal operation For mid and high frequency drivers alwa...

Страница 14: ...ensed current level feedback from the output stage and sensed voltage clip from the VPL and output amplifier voltage clip if soft clip is activated This ensures that power output is maintained within...

Страница 15: ...hat can be accepted at the input before any significant distortion will appear at the input stage If you use the level potentiometer in the signal chain to reduce the level by an amount greater than t...

Страница 16: ...al 7 4 2 Unbalanced input connections To connect an input to an unbalanced source it is possible to connect pins 1 and 3 in the XLR plug at the amplifier end of the cable However a better method is to...

Страница 17: ...utput Observe relative loudspeaker polarity loudspeakers connected in reverse polarity will exhibit degraded performance particularly in bass frequencies and may be damaged as a consequence Use a high...

Страница 18: ...d in order to achieve maxi mum output power with the lowest signal to noise ratio A hot input signal however would require a lowering of the gain to avoid sending the amplifier into Voltage or Current...

Страница 19: ...deliver current levels to the outputs that exceed the physical limits of the transistors The CPL keeps the amplifier within the Safe Operating Area SOA The CPL is non adjustable and has different lim...

Страница 20: ...ngly shorter at higher frequencies For example an ultrasonic continuous signal will cause the outputs to mute rapidly where it will take several milliseconds for a 10KHz continuous signal to trigger t...

Страница 21: ...e safe operation the overheated output channel s will be muted until the temperature returns to an acceptable level Fully active temperature protection with muting is indicated by a constantly illumin...

Страница 22: ...ignal above 44dB Should the SIG indicator turn red this indicates a high impedance or open connection has been detected at the output Possible faults include a disconnected cable or malfunctioning lou...

Страница 23: ...t condition only when an input signal is present Temperature yellow amplifier goes into thermal protect output muted the TEM LED illuminates constant red and the yellow MUTE LED illuminates VHF Very H...

Страница 24: ...for driving into 2 loads the amplifiers are equipped with an extensive set of protection circuits for reliable operation 2 x 2300W RMS 8 2 x 4400W RMS 4 2 x 6500W RMS 2 1 x Bridge 8800W RMS 8 1 x Brid...

Страница 25: ...SWBMT BT UIJT XJMM SFEVDF UIF TZTUFN T MJGF t 0OMZ VTF UIF FRVJQNFOU JOEPPST t P OPU FYQPTF UP BNNBCMF TPVSDFT MJRVJET PS HBTFT t MXBZT EJTDPOOFDU UIF QPXFS GSPN UIF NBJOT XIFO FRVJQNFOU JT OPU JO VTF...

Страница 26: ...Zenith 13K2 Amplifier Manual 26...

Страница 27: ...Zenith 13K2 Amplifier Manual 27...

Страница 28: ...Zenith 13K2 Amplifier Manual 28...

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